Haven Learn

Understanding the water in Hawai‘i homes.

Deep, honest education on what's actually in our water, why filtration matters, and how Hawai‘i's geology and history shape the quality of every glass we drink.

Articles
Crystal-clear water in a glass with mineral particles visible — illustrating the question of what's actually in Hawai'i tap water
Water Safety · 15 min read

Is Hawai‘i tap water safe to drink?

A 2026 guide for the people who actually live here — not for tourists. The honest answer about Maui and O‘ahu drinking water, Red Hill, Lahaina, PFAS, and what homeowners should actually do.

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Modern kitchen faucet pouring water that becomes an ocean wave — symbolizing how Hawai'i's tap water connects directly to the islands' water cycle
Water Quality · 12 min read

What's actually in Maui's drinking water

From plantation-era pesticides still leaching from wells decades after being banned, to volcanic arsenic and modern PFAS — a clear-eyed look at what tests actually show is in Hawai‘i's tap water in 2026.

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Coming Soon

Why under-sink filters miss the real problem

Most homes filter only what they drink. But your skin, your lungs, and your laundry are exposed to far more water than your mouth. Here's why the conversation needs to expand.

Soon
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